1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
What Size Dehumidifier You Need. People often contact us to ask what size dehumidifier they should buy when they want to purchase a room dehumidifier to reduce the humidity in a room or a basement in order to prevent the growth of toxic mold and reduce the risk of mold-related health problems.ur Preferred Room Dehumidifier. No matter what size dehumidifier you need, our preferred room dehumidifier brand is Frigidaire. Frigidaire offers dehumidifiers in a variety of sizes, including 30-pint, 50-pint, and 70-pint dehumidifiers.